diff --git a/kernel/src/thread/Clock.cpp b/kernel/src/thread/Clock.cpp
index 1fb6c8bb..2cf28b3b 100644
--- a/kernel/src/thread/Clock.cpp
+++ b/kernel/src/thread/Clock.cpp
@@ -79,6 +79,7 @@ void Clock::add_to_timer_queue(Timer* timer)
         {
             t->delta_ticks -= timer->delta_ticks;
             m_timer_queue.add_before(t, timer);
+            timer->active_clock = this;
             return;
         }
         timer->delta_ticks -= t->delta_ticks;